Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
26/03/2024, 22:58
General
- Target 9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe
- Size 990KB
- Sample240326-2x47qaee28
- SHA256 9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c
Malware Config
Extracted
-
remcos
-
RemoteHost
-
176.31.142.221:4377
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-G326AT
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 16 IoCs
- Detects executables packed with SmartAssembly 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe"C:\Users\Admin\AppData\Local\Temp\9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe"C:\Users\Admin\AppData\Local\Temp\9ca3843ebfe01a5992bbe97e668f55179d915f634fe41cb11aa95fd7745fbc8c.exe"2⤵
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
memory/864-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-10-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/864-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1368-6-0x00000000053F0000-0x000000000548C000-memory.dmp
memory/1368-13-0x0000000074D00000-0x00000000754B0000-memory.dmp
memory/1368-9-0x0000000006950000-0x0000000006A10000-memory.dmp
memory/1368-8-0x00000000052E0000-0x00000000052EC000-memory.dmp
memory/1368-7-0x00000000052C0000-0x00000000052D2000-memory.dmp
memory/1368-0-0x0000000000610000-0x000000000070A000-memory.dmp
memory/1368-5-0x0000000005110000-0x000000000511A000-memory.dmp
memory/1368-4-0x0000000005160000-0x0000000005170000-memory.dmp
memory/1368-3-0x0000000005170000-0x0000000005202000-memory.dmp
memory/1368-2-0x0000000005680000-0x0000000005C24000-memory.dmp
memory/1368-1-0x0000000074D00000-0x00000000754B0000-memory.dmp